MEDIA PLAYER AND TUNER 2

[bashbash]

Hi there,i am new with VU+ULTIMATE,can anyone help me with how to play videos files from usb,it did work with my receiver untill i installed the new 1.7.9 update now receiver will not find any video files on usb stick only finds mp3 :-(,also can anyone tell me how to configure tuner 2,when i go to setup tuner 2 and save settings tuner 1 will stop working,sorry its sound silly but as i said i am totally new here with my VU+ULTIMATE,thank you for your help